“Fairy,” which Silva directed from his own script, also stars Gaby Hoffmann, Juan Andres Silva, Jose Miguel Silva and Agustin Silva. Producers are Juan de Dios Larrain and Pablo Larrain.

Cera plays a boorish American traveling in Chile who plans a road trip to ingest a legendary hallucinogenic cactus. Along the way he invites a free-spirited young woman to join them, though their opposite personalities cause strife. Pic won best director in the world cinema section.

“‘Crystal Fairy’ charmed our entire company as one of the most original and charming films of the festival,” said Sundance Selects/IFC Films prexy Jonathan Sehring.